Swap rule - Revision history

Mason: Removed a12 and n3 from the swap map. It was right on the cusp before and the new model disqualified it.

2025-07-21T01:56:50Z

Removed a12 and n3 from the swap map. It was right on the cusp before and the new model disqualified it.

Mason: Size 14: change i12 to losing

2024-10-07T14:26:28Z

Size 14: change i12 to losing

Selinger: /* Size 14 */ Readability: quotes and using minus instead of dash.

2024-10-07T00:34:06Z

‎Size 14: Readability: quotes and using minus instead of dash.

Comonoid: swap * and +

2024-10-04T00:01:53Z

swap * and +

Mason: Add size 14 swap map

2024-10-02T05:16:18Z

Add size 14 swap map

Hexanna: I also missed a4

2024-08-14T04:20:15Z

I also missed a4

Hexanna: fix

2024-08-14T04:09:09Z

fix

Hexanna: update 15x15 and 19x19 swap maps with katahex net 20240812

2024-08-14T03:55:43Z

update 15x15 and 19x19 swap maps with katahex net 20240812

Selinger: Links

2023-11-18T14:53:04Z

Links

Hexanna: add 19x19 bot swap map

2022-12-10T15:34:01Z

add 19x19 bot swap map

@@ Line 68: / Line 68: @@
 === Size 14 ===
-Based on [https://www.hexwiki.net/index.php/User:Mason Mason Mackaman's] explorations with [https://github.com/hzyhhzy/KataGo/releases/tag/Hex_20240812 KataHex 20240812]. "'''&minus;'''" represents a win rate between 1/6 and 1/4, "'''+'''" represents a win rate between 1/4 and 1/3, and "'''*'''" represents a win rate between 1/3 and 1/2.
+Based on [https://www.hexwiki.net/index.php/User:Mason Mason Mackaman's] explorations with [https://github.com/hzyhhzy/KataGo/releases/tag/Hex_20240812 KataHex 20240812] and [https://github.com/hzyhhzy/KataGomo/releases/tag/Hex_20250131 later]. "'''&minus;'''" represents a win rate between 1/6 and 1/4, "'''+'''" represents a win rate between 1/4 and 1/3, and "'''*'''" represents a win rate between 1/3 and 1/2.
 <hexboard size="14x14"
@@ Line 74: / Line 74: @@
    contents="S red:all blue:(a1--m1 a2--l2 a3 g3 n3 f3)
                        blue:(b14--n14 c13--n13 n12 h12 a12 i12)
-             E -:(a3 a4 a6 a9 a10 a12 b12 c13 e12 l13)
+             E -:(a3 a4 a6 a9 a10 b12 c13 e12 l13)
                +:(a11 a14 b4 d12 j12)
                *:(f12 g12 h12 i12)
-               -:(c2 j3 l2 m3 n3 n5 n6 n9 n11 n12)
+               -:(c2 j3 l2 m3 n5 n6 n9 n11 n12)
                +:(e3 k3 m11 n1 n4)
                *:(f3 g3 h3 i3)"

@@ Line 68: / Line 68: @@
 === Size 14 ===
-Based on [https://www.hexwiki.net/index.php/User:Mason Mason Mackaman's] explorations with [https://github.com/hzyhhzy/KataGo/releases/tag/Hex_20240812 KataHex 20240812]. "'''&minus;'''" represents a win rate between 1/6 and 1/4, "'''+'''" represents a win rate between 1/4 and 1/3, and "'''*'''" represents a win rate between 1/3 and 1/2. i12 is not colored in due to the fact that whether it is winning or losing is totally unknown. KataHex suggests from placing just that stone, that it is slightly losing, but if you actually play out the lines, it is not clear who is winning.
+Based on [https://www.hexwiki.net/index.php/User:Mason Mason Mackaman's] explorations with [https://github.com/hzyhhzy/KataGo/releases/tag/Hex_20240812 KataHex 20240812]. "'''&minus;'''" represents a win rate between 1/6 and 1/4, "'''+'''" represents a win rate between 1/4 and 1/3, and "'''*'''" represents a win rate between 1/3 and 1/2.
 <hexboard size="14x14"
    coords="show"
-   contents="S red:all blue:(a1--m1 a2--l2 a3 g3 n3)        none:f3
+   contents="S red:all blue:(a1--m1 a2--l2 a3 g3 n3 f3)
-                       blue:(b14--n14 c13--n13 n12 h12 a12) none:i12
+                       blue:(b14--n14 c13--n13 n12 h12 a12 i12)
              E -:(a3 a4 a6 a9 a10 a12 b12 c13 e12 l13)
                +:(a11 a14 b4 d12 j12)

@@ Line 68: / Line 68: @@
 === Size 14 ===
-Based on [https://www.hexwiki.net/index.php/User:Mason Mason Mackaman's] explorations with [https://github.com/hzyhhzy/KataGo/releases/tag/Hex_20240812 KataHex 20240812]. '''-''' represents a win rate between 1/6 and 1/4, '''+''' represents a win rate between 1/4 and 1/3, and '''*''' represents a win rate between 1/3 and 1/2. i12 is not colored in due to the fact that whether it is winning or losing is totally unknown. KataHex suggests from placing just that stone, that it is slightly losing, but if you actually play out the lines, it is not clear who is winning.
+Based on [https://www.hexwiki.net/index.php/User:Mason Mason Mackaman's] explorations with [https://github.com/hzyhhzy/KataGo/releases/tag/Hex_20240812 KataHex 20240812]. "'''&minus;'''" represents a win rate between 1/6 and 1/4, "'''+'''" represents a win rate between 1/4 and 1/3, and "'''*'''" represents a win rate between 1/3 and 1/2. i12 is not colored in due to the fact that whether it is winning or losing is totally unknown. KataHex suggests from placing just that stone, that it is slightly losing, but if you actually play out the lines, it is not clear who is winning.
 <hexboard size="14x14"
@@ Line 81: / Line 81: @@
                *:(f3 g3 h3 i3)"
 />
 === Size 15 ===

@@ Line 68: / Line 68: @@
 === Size 14 ===
-Based on [https://www.hexwiki.net/index.php/User:Mason Mason Mackaman's] explorations with [https://github.com/hzyhhzy/KataGo/releases/tag/Hex_20240812 KataHex 20240812]. '''-''' represents a win rate between 1/6 and 1/4, '''*''' represents a win rate between 1/4 and 1/3, and '''+''' represents a win rate between 1/3 and 1/2. i12 is not colored in due to the fact that whether it is winning or losing is totally unknown. KataHex suggests from placing just that stone, that it is slightly losing, but if you actually play out the lines, it is not clear who is winning.
+Based on [https://www.hexwiki.net/index.php/User:Mason Mason Mackaman's] explorations with [https://github.com/hzyhhzy/KataGo/releases/tag/Hex_20240812 KataHex 20240812]. '''-''' represents a win rate between 1/6 and 1/4, '''+''' represents a win rate between 1/4 and 1/3, and '''*''' represents a win rate between 1/3 and 1/2. i12 is not colored in due to the fact that whether it is winning or losing is totally unknown. KataHex suggests from placing just that stone, that it is slightly losing, but if you actually play out the lines, it is not clear who is winning.
 <hexboard size="14x14"
@@ Line 75: / Line 75: @@
                        blue:(b14--n14 c13--n13 n12 h12 a12) none:i12
              E -:(a3 a4 a6 a9 a10 a12 b12 c13 e12 l13)
-               *:(a11 a14 b4 d12 j12)
+               +:(a11 a14 b4 d12 j12)
-               +:(f12 g12 h12 i12)
+               *:(f12 g12 h12 i12)
                -:(c2 j3 l2 m3 n3 n5 n6 n9 n11 n12)
-               *:(e3 k3 m11 n1 n4)
+               +:(e3 k3 m11 n1 n4)
-               +:(f3 g3 h3 i3)"
+               *:(f3 g3 h3 i3)"
 />

@@ Line 66: / Line 66: @@
              E *:(a10 a11 d11 f11 g11 h11 m11 c12 j12 k12 l12 m12 a13)"
    />
 === Size 15 ===

@@ Line 91: / Line 91: @@
              E *:(c2 d3--e3 m3--p3 i4--l4 a10 a14--a16 a19)
              E *:(q18 o17--p17 d17--g17 h16--k16 s10 s4--s6 s1)
-             E +:(a2--b2 b4 f3--h3 j5 q2 a13 b17)
+             E +:(a2--b2 a4 b4 f3--h3 j5 q2 a13 b17)
-             E +:(r18--s18 r16 l17--n17 j15 c18 s7 r3)"
+             E +:(r18--s18 s16 r16 l17--n17 j15 c18 s7 r3)"
    />

@@ Line 69: / Line 69: @@
 === Size 15 ===
-Based on the swap map of [[KataHex]]. The strongest move without the swap rule, d12, has a 97.2% win percentage, corresponding to an advantage of 616 Elo points. Moves have been marked as "close" when the Elo advantage is less than 1/5 that of the best move &mdash; 123 Elo points, or within 33-67% win percentage. In some sense, these Red opening moves confer Blue (who has the swap option) an advantage of less than 1/10th of a stone.
+Based on the swap map of [[KataHex]]. The strongest move without the swap rule, d12, has a 99.4% win percentage, corresponding to an advantage of 888 Elo points. Moves have been marked as "close" when the Elo advantage is less than 1/5 that of the best move &mdash; 178 Elo points, or within 26.5&ndash;73.5% win percentage. In some sense, these Red opening moves confer Blue (who has the swap option) an advantage of less than 1/10th of a stone.
 <hexboard size="15x15"
@@ Line 75: / Line 75: @@
    contents="S red:all blue:(a1--n1 a2--m2 a3 f3--i3 o3)
                blue:(a13 g13--j13 o13 c14--o14 b15--o15)
-             E *:(c2 e3--l3 b4 a7 a10 a15 m2)
+             E *:(c2 e3--j3 b4 a10 a11 a15 m2)
-             E *:(m14 d13--k13 n12 o9 o6 o1 c14)"
+             E *:(m14 f13--k13 n12 o6 o5 o1 c14)"
    />
 === Size 19 ===
-Based on the swap map of [[KataHex]]. The strongest move without the swap rule has a 86.1% win percentage, corresponding to an advantage of 317 Elo points. Moves have been marked as "close" when the Elo advantage is less than 1/5 that of the best move &mdash; 63 Elo points, or within 41-59% win percentage. In some sense, these Red opening moves confer Blue (who has the swap option) an advantage of less than 1/10th of a stone.
+Based on the swap map of [[KataHex]]. The strongest move without the swap rule has a 95.7% win percentage, corresponding to an advantage of 539 Elo points. Moves have been marked as "close" (*) when the Elo advantage is less than 1/5 that of the best move &mdash; 108 Elo points, or within 35&ndash;65% win percentage. In some sense, these Red opening moves confer Blue (who has the swap option) an advantage of less than 1/10th of a stone.
 <hexboard size="19x19"
    coords="show"
-   contents="S red:all blue:(a1--r1 a2--q2 a3 f3--n3 s3)
+   contents="S red:all blue:(a1--r1 a2--q2 a3 e3--n3 s3)
-               blue:(a17 f17--n17 s17 c18--s18 b19--s19)
+               blue:(a17 f17--o17 s17 c18--s18 b19--s19)
-             E *:(c2 b4 d3--h3 m3--p3 q2 i4--l4 a10--a16 a19)
+             E *:(c2 d3--e3 m3--p3 i4--l4 a10 a14--a16 a19)
-             E *:(q18 r16 l17--p17 d17--g17 c18 h16--k16 s4--s10 s1)"
+             E *:(q18 o17--p17 d17--g17 h16--k16 s10 s4--s6 s1)
    />